Pollutants

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CARBON MONOXIDE

  • Formed when hydrocarbon fuels (e.g. petrol or diesel in car engines) are burnt without enough oxygen present – this is incomplete combustion
  • CO is poisonous – it combines irreversibly with haemoglobin in blood cells so the blood carries less oxygen
  • A lack of oxygen in the blood can lead to fainting, a coma, or even death

SULFUR DIOXIDE AND NITROGEN OXIDES

  • Sulfur dioxide and nitrogen oxides are also released when fossil fuels are burnt
  • The sulfur dioxide comes from sulfur impurities in the fossil fuels
  • Nitrogen oxides are created when the temperature is

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